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Re: [PATCH] x86/ftrace: Exclude functions in head64.c from function-tracing

From "Kirill A. Shutemov" <kirill@shutemov.name>
Newsgroups linux.kernel
Subject Re: [PATCH] x86/ftrace: Exclude functions in head64.c from function-tracing
Date 2017-06-27 16:50 +0200
Message-ID <tWZYu-1RV-19@gated-at.bofh.it> (permalink)
References <tWPw6-37c-9@gated-at.bofh.it> <tWXtE-hF-13@gated-at.bofh.it> <tWYSK-18m-19@gated-at.bofh.it>
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On Tue, Jun 27, 2017 at 09:38:25AM -0400, Steven Rostedt wrote:
> On Tue, 27 Jun 2017 14:59:48 +0300
> "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> wrote:
> 
> > We've moved most logic of early boot up from startup_64() written in
> > assembly to __startup_64() written in C.
> > 
> > Fengguang reported breakage due to the change. It was tracked down to
> > CONFIG_FUNCTION_TRACER being enabled.
> 
> Is this due to code that is in linux-next or is this issue currently in
> mainline?
> 
> If it is in linux-next, I'll give you:
> 
>  Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
> 
> and you can take it. If the issue happens in current mainline, then I'll
> take it and push it out.

It's in -next.

Fixes: c88d71508e36 ("x86/boot/64: Rewrite startup_64() in C")

Although, I'm not sure if commit-id is stable yet.

-- 
 Kirill A. Shutemov

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Thread

[PATCH] x86/ftrace: Exclude functions in head64.c from function-tracing "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2017-06-27 14:10 +0200
  Re: [PATCH] x86/ftrace: Exclude functions in head64.c from  function-tracing Steven Rostedt <rostedt@goodmis.org> - 2017-06-27 15:40 +0200
    Re: [PATCH] x86/ftrace: Exclude functions in head64.c from  function-tracing "Kirill A. Shutemov" <kirill@shutemov.name> - 2017-06-27 16:50 +0200
      Re: [PATCH] x86/ftrace: Exclude functions in head64.c from  function-tracing Steven Rostedt <rostedt@goodmis.org> - 2017-06-27 17:00 +0200
  [tip:x86/mm] x86/ftrace: Exclude functions in head64.c from  function-tracing "tip-bot for Kirill A. Shutemov" <tipbot@zytor.com> - 2017-06-29 22:40 +0200

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